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131772-27-5

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131772-27-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131772-27-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,7 and 2 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 131772-27:
(8*1)+(7*3)+(6*1)+(5*7)+(4*7)+(3*2)+(2*2)+(1*7)=115
115 % 10 = 5
So 131772-27-5 is a valid CAS Registry Number.

131772-27-5Downstream Products

131772-27-5Relevant academic research and scientific papers

Stereospecific synthesis of N-acyl-(E)-vinyl-, dienyl-, and enynylsulfoximines

Paley,Snow

, p. 5853 - 5856 (1990)

A β-tosylvinylsulfoximine, 5, was used as the common starting point for the preparation of the title compounds. Treatment of 5 with 'higher-order cuprates' or trialkylalanes (with a Pd(II) catalyst) afforded N-TBDMS-(E)-vinylsulfoximines, whereas dienylsu

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